Type : "Asuncion (224). December. Same as Balansa's 862. This appears to be different from
P. cirsiifolia, H. B. K. — N. L. B. The most striking among the herbaceous Composites growing at Asuncion. It occurs abundantly in wet grounds along the riverside. A stout succulent stem 9-12 dm. high, the upper portion curling over gracefully." [protologue].
Paraguay, Asunción, 12/1888, Th. Morong 224 (LT:
NY00230871 [désigné par M.O. Dillon, Fieldiana, Bot., n.s., 11:
2. 24/09/1982 fide
p. de titre]; ILT:
GH00010848,
MO-1963300,
NDG52570,
US01622997,
US00147162).
Paraguay, Asunción, bords fangeux du Rio Paraguay, 05/1874, fleurs. Racines renfleés au collet. B. Balansa 862 (ST:
K000634155,
P02807520,
P02807531).
